Provide an Appropriate Response $1 + 3 + 9 + 27 + 81$

question 167

Multiple Choice

Provide an appropriate response.
-Which of the following express $1 + 3 + 9 + 27 + 81$ in sigma notation?
I. $\sum _ { \mathrm { k } = 1 } ^ { 5 } 3 ^ { \mathrm { k } - 1 }$
II. $\sum _ { k = 0 } ^ { 4 } 3 ^ { k }$
III. $\sum _ { \mathrm { k } = - 1 } ^ { 3 } 3 ^ { \mathrm { k } + 1 }$

• A) II and III
• B) I, II, and III
• C) II only
• D) I and II

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